Company lists · Data refreshed November 2026

Top 25 Renewable offshore energy developers based in the United Kingdom

RevenueBase identified 413 company matches for renewable offshore energy developers associated with the United Kingdom as of November 2026 and tracks 28,448 professional contacts across them, including 10,767 with verified work emails. London is the largest hub.

This list covers company matches for renewable offshore energy developers associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
413Companies
28,448Contacts tracked
10,767Verified emails
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The 25 largest renewable offshore energy developers based in the United Kingdom

Ranked by team size
Top 25 of 413 company matches for renewable offshore energy developers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Nov 6, 202610001+13,467 contacts →

Exact match

“Subsea7 makes offshore energy transition possible through the continuous evolution of lower-carbon oil and gas and by enabling the growth of renewables and emerging energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchKings Langley, United KingdomHQ recorded Nov 6, 20261,001-5,0003,964 contacts →

Exact match

“RES is the world’s largest independent renewable energy company, working across 24 countries and active in wind, solar, energy storage, green hydrogen, transmission, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPerth, United KingdomHQ recorded Nov 6, 20261,001-5,0001,375 contacts →

Exact match

“SSE Renewables is a leading developer and operator of renewable energy generation, headquartered in the UK and Ireland, with a growing presence internationally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,135 contacts →

Exact match

“Lightsource bp is working to support a future powered by renewable, affordable and reliable energy that benefits our partners, people and planet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000604 contacts →

Exact match

“Sonnedix is a global renewable energy company delivering 100% clean electricity directly to customers through a diversified portfolio of solar, wind, and storage assets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Nov 6, 2026501-1,000426 contacts →

Exact match

“Cubico Sustainable Investments is one of the world’s largest privately-owned renewable energy companies, leveraging our strong local presence with a unique combination of in-house…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchExeter, United KingdomHQ recorded Nov 6, 202651-200190 contacts →

Exact match

“Ethical Power Group launched in the UK in 2010.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 2026201-500173 contacts →

Exact match

“At Octopus Energy Generation, we’re building green power for the future, from large-scale solar to onshore and offshore wind, and innovative initiatives like the Fan Club.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchShepton Mallet, United KingdomHQ recorded Nov 6, 202651-200169 contacts →

Exact match

“Clean energy, powered with purpose.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLowestoft, United KingdomHQ recorded Nov 6, 2026n/a165 contacts →

Exact match

“Seatrium Offshore Renewable Services Ltd (Seatrium ORS) has over 55 years of unparalleled expertise and experience in the offshore energy industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200165 contacts →

Exact match

“Wood Thilsted is a world-leading renewable energy engineering consultancy experienced and specialised in offshore wind.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMiddlesbrough, United KingdomHQ recorded Nov 6, 202651-200152 contacts →

Exact match

“RTS Wind Limited specialise in the provision of services to the onshore and offshore renewable energy sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGreat Yarmouth, United KingdomHQ recorded Nov 6, 2026201-500115 contacts →

Exact match

“Please follow @Cadeler for more updates.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchStokesley, United KingdomHQ recorded Nov 6, 202651-200113 contacts →

Exact match

“We furnish all-round solutions, including engineering, procurement, and construction in the full value chain of offshore wind and adjacent marine construction activities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBuckfastleigh, United KingdomHQ recorded Nov 6, 202611-5084 contacts →

Exact match

“Providing high quality strategic and project specific planning and environmental advice to the offshore development industries, we, GoBe, are specialists in offshore renewables…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchReading, United KingdomHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“Enviromena is an independent power producer operating across the UK and Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHoughton-le-spring, United KingdomHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“OnPath Energy is the UK’s leading land-based renewable energy developer with more than 3 GW of renewable energy generation and electricity storage in the pipeline.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“Headquartered in London, AMPYR Solar Europe (ASE) is an independent renewable asset developer and IPP active in Germany, the Netherlands and the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchStromness, United KingdomHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“Established in 2003, EMEC is the world’s first and leading facility for demonstrating and testing wave and tidal energy converters – technologies that generate electricity by…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBillingham, United KingdomHQ recorded Nov 6, 2026201-50070 contacts →

Exact match

“ABLE is a leading Land Developer of acres with acres of prime consented land available with 3GW+ electric capacity, ideal for Renewable Energy, AI Data Centres or Industrial Use.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchScarborough, United KingdomHQ recorded Nov 6, 202611-5069 contacts →

Exact match

“Mainprize Offshore Limited (formally Mainprize Trawling Co Ltd) was formed in 1979 and has operated in the North Sea for over thirty years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5062 contacts →

Exact match

“Transmission Investment is a leading independent energy and utility investment and advisory business with ten years of history in developing, acquiring and managing electricity…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMachynlleth, United KingdomHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“With over 35 years of experience in the clean energy sector, Dulas is an award-winning renewable energy installer and consultancy, specialising in the wind, solar and hydro…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchEdinburgh, United KingdomHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Locogen exists to accelerate the transition to a world powered by renewable energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Elements Green (EG) is a leading renewable energy developer headquartered in London, specialising in utility-scale solar PV systems and battery energy storage solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 413 renewable offshore energy developers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 10,767 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable offshore energy developers based in the United Kingdom at a glance

As of Nov 6, 2026
37.8%Verified-email coverage
68.9Average contacts per company
11-50Median size (employees)
25.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
189
11-50
143
51-200
51
201-500
8
501-1,000
6
1,001-5,000
7
5,001-10,000
1
10001+
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 413 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “renewable offshore energy developers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 10,767 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “renewable offshore energy developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable offshore energy developers are there based in the United Kingdom?

RevenueBase identified 413 company matches for renewable offshore energy developers associated with the United Kingdom as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Subsea7 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most renewable offshore energy developers?

London leads with 106 company records, followed by Edinburgh (27) and Glasgow (20).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 10,767 professional contacts with verified work emails tracked across these 413 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.